by Prof. Mr. Dr. Sudargo Gautama $7.00
by Ir. Hieronymus Budi Santoso $5.00
by WK $20.00
by Musthafa Abd. Rahman $9.00
by $6.00
by Hendra Sutardhio $9.00
by Drs. Zainal Abidin $7.00
by Tim Pustaka Familia $6.00